Email Us

info@npdes.com

(888) 397-9414

9:00am EST–4:00pm PST

Office Hours

M–F, 9:00am–4:00pm EST

Classes

Register Here

Email Us

info@npdes.com

(888) 397-9414

9:00am EST–4:00pm PST

Office Hours

M–F, 9:00am–4:00pm EST

Classes

Register Here

Email Us

info@npdes.com

 


Class Registration Calendar

27
Oct
2025

CSI-MS4 Arizona/Colorado(MT)

10-27-2025 8:30 am - 10-28-2025 4:30 pm
Online Webinar
$799 + registration

We are no longer accepting registration for this event

27
Oct
2025

CSI-MS4 Nevada/Wyoming (MT)

10-27-2025 8:30 am - 10-28-2025 4:30 pm
Online Webinar
$799 + registration

We are no longer accepting registration for this event

29
Oct
2025

CSI-Industrial West Coast Online (PT)

10-29-2025 8:00 am -4:00 pm
Online Webinar
$399 + registration
30
Oct
2025

CSI-MS4 Kansas/Missouri (CT)

10-30-2025 8:30 am - 10-31-2025 4:30 pm
Online Webinar
$799 + registration

We are no longer accepting registration for this event

30
Oct
2025

CSI-MS4 Iowa/Nebraska (CT)

10-30-2025 8:30 am - 10-31-2025 4:30 pm
Online Webinar
$799 + registration

We are no longer accepting registration for this event

06
Nov
2025

CSI-MS4 Alabama (ET)

11-06-2025 8:30 am - 11-07-2025 4:30 pm
Online Webinar
$799 + registration
06
Nov
2025

CSI-MS4 Mississippi (ET)

11-06-2025 8:30 am - 11-07-2025 4:30 pm
Online Webinar
$799 + registration
10
Nov
2025

Illicit Discharge Detection and Elimination for Field Personnel (EDT)

11-10-2025 10:00 am -12:00 pm
Online Webinar
$75 + registration
10
Nov
2025

Water Quality Standards, 303(d) Lists, TMDLs (EST)

11-10-2025 12:00 pm -4:00 pm
Online Webinar
$324 + registration
12
Nov
2025

Industrial SWPPP Development Online

11-12-2025 8:00 am -4:00 pm
Online Webinar
$950 + registration + shipping